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Article #2985

Re: Detecting a printer

#2985
From: Timo Salmi
Date: Sat, 10 Nov 1990 07:26
19 lines
1600 bytes
In article <5493@lanl.gov> ctl8588@star.tamu.edu writes:
>I am upgrading/maintaining a program written in TurboC that uses
>the BIOSPRINT function to print to a printer.  However, if a printer
>is not attached it takes several seconds (10-30) before the program
>gets an error code back.  What is a *quick* way to detect if a
>printer is out there?  Below is a sample of the code used in the

One direction to go is to change the printer retry default times
(20) into a smaller value such as 3.  This solution is not, however,
specific to C.  But if you want such a facility anyway, it is
available as setprt.exe in /pc/ts/tsutld18.arc package by anonymous
ftp or mail server from uwasa.fi or Simtel20.  But this solution
probably won't satisfy you (although it solves the problem of the
printer response delay) since it won't give you a C code. 

...................................................................
Prof. Timo Salmi        (Moderating at anon. ftp site 128.214.12.3)
School of Business Studies, University of Vaasa, SF-65101, Finland
Internet: ts@chyde.uwasa.fi Funet: gado::salmi Bitnet: salmi@finfun
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Message-ID: <1990Nov10.072651.22847@uwasa.fi>
Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!rutgers!mit-eddie!mintaka!olivea!samsung!usc!zaphod.mps.ohio-state.edu!uakari.primate.wisc.edu!aplcen!haven!adm!cmcl2!uupsi!sunic!news.funet.fi!uwasa.fi!ts
References: <5493@lanl.gov>

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From: ts@uwasa.fi (Timo Salmi)
Newsgroups: comp.os.msdos.programmer
Subject: Re: Detecting a printer
Message-ID: <1990Nov10.072651.22847@uwasa.fi>
Date: 10 Nov 90 07:26:51 GMT
References: <5493@lanl.gov>
Organization: University of Vaasa
Lines: 19